|
Measured values |
Range |
Accuracy |
|
Tan delta (tgδ) |
0.0001 … 1.0 |
± (0.03·tgδ+0.0002) |
|
Relative permittivity (εr) |
1 … 15 |
± 3 % |
|
Specific resistance (ρ) |
107 … 1012 Ωm |
± 3 % |
|
Settable values |
||
|
Test AC voltage |
2000 V |
± 2.5 % |
|
Test voltage frequency |
50 Hz |
± 0.1 Hz |
|
Test DC voltage |
500 V |
± 2.5 % |
|
Test temperature |
10 … 95 °С |
± 1 °С |
|
Measurement time |
||
|
Oil sample test time, including heating up to 90 degrees |
25 min |
— |
|
Oil sample test time, including heating up to 90 degrees, |
40 min |
— |
|
Power mains |
||
|
Rated voltage |
220/230 V АС |
|
|
Rated frequency |
50 Hz |
|
|
Power consumption |
≤ 200 VA |
|
|
Operating conditions |
||
|
Operating Temperature |
10…40 °С |
|
|
Relative Humidity |
up to 80% non-condensing |
|
|
Technical parameters |
||
|
Size, no more |
385×107×280 mm |
|
|
Weight, no more |
11 kg |
|
|
Test cell parameters |
||
|
Design |
flat test cell of three-electrode type |
|
|
Volume |
14 см3 (± 1 см3) |
|
|
Material |
stainless steel |
|
|
Insulation |
teflon |
|
|
Electrode spacing |
2 mm (± 0.1 mm) |
|